Mexican rivulus (Millerichthys robustus), first described by Miller & Hubbs, 1974 is a tiny fish. Adults typically reach 4.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Endangered.
Physical description for Mexican rivulus is currently being compiled.
Behavioural data for Mexican rivulus is currently being reviewed.
Freshwater; demersal; non-migratory . Tropical Central America: Papaloapan and Coatzacoalcos river basins in Mexico.
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